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Posterior Tooth Replacement with Dental Implants in Sites Augmented with rhBMP-2 at Time of Extraction

Author(s): Dental News

This case series demonstrates seven molar-site implants placed in six consecutively treated patients. Allsites were augmented with rhBMP-2(1.50 mg/cc)/ACS (recombinant human Bone MorphogeneticProtein-2/Absorbable Collagen Sponge) at extraction to regenerate bone-facilitating implant placement. In four patients, osteotomies were initiated with trephines to evaluate qualitatively for native bone and for the absence of residual ACS.

All sites facilitated implant placement after augmentation. All seven implants achieved primary stabilization and were functionally loaded. No implants were lost or developed complications. It can be concluded that augmenting molar extraction sockets with rhBMP-2/ACS can allow standard implant placement in the posterior dentition that is capable of withstanding a functional load.

With the evolution of dental implant therapy, the treatment of extraction sockets has progressed from a simple matter of wound healing to what is often times a complex surgical procedure aimed at minimizing bone resorption. The consequences of physiologic wound healing from extractions often include both vertical and, more prominently,lateral reductions of the local alveolar process.

The healing of extraction sockets is accompanied by marked ridge resorption within the ....READ MORE on Page 10-12

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